Write the expression in the standard form a + bi.(1 - i)10
A. 32 - 32i
B. -32i
C. -32 + 32i
D. 32
Answer: B
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Find the area of the specified region.Inside the outer loop and outside the inner loop of the limacon r = 6 cos ? - 3
A. 
(2? - 3
)
B. 9(? + 3
)
C. 
(4? - 3
)
D. 
(4? + 3
)
Solve the problem.At a fixed temperature, the resistance R of a wire varies directly as the length l and inversely as the square of its diameter d. If the resistance is 0.52 ohm when the diameter is 1 mm and the length is 260 cm, what is the resistance when the diameter is 2 mm and the length is 990 cm?
A. 0.495 ohm B. 128.7 ohm C. 247.5 ohm D. 0.99 ohm
Factor.27x6 + 1
A. (3x2 + 1)2(3x2 - 1) B. (3x2 - 1)(9x4 + 3x2 + 1) C. (3x2 + 1)(9x4 - 3x2 + 1) D. (3x2 + 1)3
Solve the equation and check your proposed solution.
= -5
A. -15 B. 15 C. 8 D. -8